t 



Index to Volume 2. 



457 



Page 



— , Microscopic Petrography 23 



— , Mineral Composition 33 



— , of Portugal 37 



— , Petrographical relations 33 



— , Structure ' 24 



Ticholeptus Beds 305 



Tilting of topographic profiles 171 



Tor 10 Limestone 23./, 239 



, Fossils 239 



Trampan Formation 448 



Transverse Fault of Berkeley Hills . . 397 



Troctolite . 55, 63, 69 



— , Gneissic 79 



— , Gneissoid 55 



Truckee Beds 291 



Truncation of Summits 176 



Tuffs of Berkeleyan 377, 395 



Turner, H. W., cited on Granite Porphyry. 130 

 Serpentine 75 



Unconformity between Campari and Berk- 

 eleyan 409 



Upper Submarine Platform . . /pp, 200, 201 

 , Wave cut and built 202 



Vegetation, relation to erosion 173 



Veraguas, Crystalline Series 247 



Vision Hill, profile 1/6 



Volcanic Ash 4, 16, 50 



. of John Day series 291 



Page 



, of Miocene 14 



, of Panama formation 244, 245 



, Petrography 17 



, Recent, of John Day Basin 314 



VoLCANicsof Campan 403 



Volcanic Rocks of Frowning Ridge . . . 374 

 Volcanic Vent 402 



Wadsworth, M. E., cited on serpentine . . 75 



Wave action . . 209 



Wave and current built features 219 



Wave-Cut Terraces, discussed . . . 208, 210 



, Preservation oi 216 



Wavmire, Lieutenant 272 



Wehrlite 57, 58, 63, 71 



White Gulch, geological section 137 



Whitney, cited on Point Reyes Peninsula . 121 

 Whittenburg Hill, geological section . . rj6 



, Topographic profile rj6 



Wildcat Canon, Ostracoda 94, 95 



Williams, G. H., cited on Serpentine ... 77 

 Wortman, on division of John Day beds. . 



277, 295 



— , Collections by 274 



Wright, F., cited on hornblende 332 



Yates, L. G., cited on rocks of Anacapa . 195 



Zirkfl, F., cited on ^-Fgerine 

 Analcite 



36 

 38 



